*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --color-bg: #f8f9fa;
  --color-surface: #ffffff;
  --color-text: #1a1a2e;
  --color-text-secondary: #555;
  --color-border: #dee2e6;
  --color-primary: #2563eb;
  --color-primary-light: #dbeafe;
  --color-accent: #059669;
  --color-badge-bg: #e0e7ff;
  --color-badge-text: #3730a3;
  --radius: 8px;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
}

/* Header */
.site-header {
  background: linear-gradient(135deg, #1e3a5f 0%, #2563eb 100%);
  color: #fff;
  padding: 2rem 1.5rem;
}

.header-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: baseline;
  gap: 1rem;
  flex-wrap: wrap;
}

.header-content h1 {
  font-size: 1.75rem;
  font-weight: 700;
}

.tagline {
  opacity: 0.85;
  font-size: 1rem;
  flex: 1;
}

.github-link {
  color: #fff;
  text-decoration: none;
  border: 1px solid rgba(255, 255, 255, 0.4);
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius);
  font-size: 0.85rem;
  transition: background 0.15s;
}

.github-link:hover {
  background: rgba(255, 255, 255, 0.15);
}

/* Layout */
.layout {
  max-width: 1200px;
  margin: 1.5rem auto;
  padding: 0 1.5rem;
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 1.5rem;
  align-items: start;
}

/* Sidebar */
.sidebar {
  position: sticky;
  top: 1rem;
}

.facet-group {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 0.75rem 1rem;
  margin-bottom: 0.75rem;
  box-shadow: var(--shadow);
}

.facet-group h3 {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-secondary);
  margin-bottom: 0.5rem;
}

.facet-option {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.15rem 0;
  font-size: 0.875rem;
  cursor: pointer;
}

.facet-option input[type="checkbox"] {
  accent-color: var(--color-primary);
  cursor: pointer;
}

.facet-count {
  color: var(--color-text-secondary);
  font-size: 0.75rem;
  margin-left: auto;
}

/* Search */
.search-bar {
  position: relative;
  margin-bottom: 1rem;
}

#search-input {
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: 1rem;
  border: 2px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-surface);
  transition: border-color 0.15s;
  outline: none;
}

#search-input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-light);
}

.autocomplete-dropdown {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-top: none;
  border-radius: 0 0 var(--radius) var(--radius);
  box-shadow: var(--shadow-md);
  z-index: 100;
  max-height: 300px;
  overflow-y: auto;
}

.autocomplete-dropdown.active {
  display: block;
}

.autocomplete-item {
  padding: 0.5rem 1rem;
  cursor: pointer;
  font-size: 0.9rem;
  border-bottom: 1px solid var(--color-border);
}

.autocomplete-item:last-child {
  border-bottom: none;
}

.autocomplete-item:hover,
.autocomplete-item.highlighted {
  background: var(--color-primary-light);
}

.autocomplete-item .match-field {
  font-size: 0.75rem;
  color: var(--color-text-secondary);
}

/* Results */
.results-summary {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  margin-bottom: 1rem;
}

.result-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  margin-bottom: 0.75rem;
  box-shadow: var(--shadow);
  transition: box-shadow 0.15s;
}

.result-card:hover {
  box-shadow: var(--shadow-md);
}

.result-card-header {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  margin-bottom: 0.4rem;
}

.result-card-title {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--color-text);
  flex: 1;
}

.badge {
  display: inline-block;
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  white-space: nowrap;
}

.badge-type {
  background: var(--color-badge-bg);
  color: var(--color-badge-text);
}

.badge-license {
  background: #d1fae5;
  color: #065f46;
}

.cc-icon {
  height: 15px;
  vertical-align: middle;
}

.cc-link {
  display: inline-flex;
  align-items: center;
}

.result-card-sources {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  margin-bottom: 0.35rem;
}

.source-name {
  font-weight: 500;
  color: var(--color-text);
}

.arrow {
  color: var(--color-primary);
  font-weight: 700;
}

.result-card-description {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  margin-bottom: 0.5rem;
  line-height: 1.5;
}

.result-card-details {
  margin-top: 0.5rem;
  border-top: 1px solid var(--color-border);
  padding-top: 0.4rem;
}

.detail-grid {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.15rem 0.75rem;
  font-size: 0.8rem;
  margin-top: 0.4rem;
}

.detail-grid dt {
  color: var(--color-text-secondary);
  white-space: nowrap;
  font-weight: 500;
}

.detail-grid dd {
  color: var(--color-text);
  overflow-wrap: anywhere;
}

.detail-link {
  color: var(--color-primary);
  text-decoration: none;
  word-break: break-all;
}

.detail-link:hover {
  text-decoration: underline;
}

.detail-secondary {
  color: var(--color-text-secondary);
  font-size: 0.75rem;
}

.badge-sm {
  font-size: 0.6rem;
  padding: 0.1rem 0.35rem;
}

/* Pagination */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.25rem;
  margin: 1.5rem 0;
  flex-wrap: wrap;
}

.page-btn {
  padding: 0.35rem 0.7rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-surface);
  cursor: pointer;
  font-size: 0.85rem;
  transition: all 0.15s;
}

.page-btn:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.page-btn.active {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}

.page-btn:disabled {
  opacity: 0.4;
  cursor: default;
}

/* Footer */
.site-footer {
  text-align: center;
  padding: 1.5rem;
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  border-top: 1px solid var(--color-border);
  margin-top: 2rem;
}

.site-footer a {
  color: var(--color-primary);
  text-decoration: none;
}

.site-footer a:hover {
  text-decoration: underline;
}

/* Loading state */
.loading {
  text-align: center;
  padding: 3rem;
  color: var(--color-text-secondary);
  font-size: 1.1rem;
}

/* Responsive */
@media (max-width: 768px) {
  .layout {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
  }

  .facet-group {
    flex: 1;
    min-width: 150px;
    margin-bottom: 0;
  }

  .header-content {
    flex-direction: column;
    gap: 0.5rem;
  }

  .github-link {
    align-self: flex-start;
  }
}